Repeat knot formation in a patient with an indwelling ureteral stent

Abstract

A patient treated for nephrolithiasis formed knots in 2 occasions, in 2 separate indwelling ureteral stents. This rare complication may make stent removal difficult. To our knowledge, this is the first case report of repeat knot formation in a single patient.

Keywords

• ureter
• stent
• complications
• lithiasis